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Oval|Lab Grown|IGI

3.10ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG689568778

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG689568778

Diamond specifications and retailer prices

From $1,934 NZD
$1,090 USD
As of October 29, 2026
Save $14,326 NZD (88%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $16,260 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.1ct lab-grown oval diamond

This 3.1ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689568778 or 689568778. Listed at 29 retailers as of October 29, 2026, with prices from $1,934 to $16,260, a $14,326 spread on the same certified stone. Blue Nile lists it at $16,260. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689568778
Dimensions12.01 × 8.25 × 5.11 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.01 mm8.25 mm3.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689568778
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $16,260 NZD|Low: $1,934 NZD|High: $18,311 NZD|Avg: $5,073 NZD
Blue Nile
Retailer 2
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Retailer 27
October 31, 2026
Retailer 4$1,934 NZD
Retailer 19$2,104 NZD
Retailer 13$2,166 NZD
Retailer 11$2,244 NZD
Retailer 22$2,555 NZD
Retailer 25$2,678 NZD
Retailer 6$2,706 NZD
Retailer 9$2,748 NZD
Retailer 21$3,251 NZD
Retailer 5$3,389 NZD
Retailer 10$3,603 NZD
Retailer 17$4,207 NZD
Retailer 7$4,551 NZD
Retailer 26$5,211 NZD
Retailer 23$5,245 NZD
Retailer 8$5,302 NZD
Retailer 3$5,808 NZD
Retailer 14$6,497 NZD
Retailer 12$7,159 NZD
Retailer 27$7,650 NZD
Retailer 18$7,843 NZD
Retailer 15$7,936 NZD
Retailer 16$8,577 NZD
Retailer 20$10,202 NZD
Retailer 2$12,978 NZD
Retailer 24$14,957 NZD
Blue Nile$16,260 NZD

22 data points across 27 retailers

29 retailers$1,934 NZD to $16,260 NZD

A
Cheapest Retailer
-
$1,934 NZD
$1,090 USD
A
Retailer 2
-
$2,104 NZD
$1,186 USD
View
A
Retailer 3
-
$2,166 NZD
$1,221 USD
View
Final sale: no returns
A
Retailer 4
-
$2,244 NZD
$1,265 USD
View
A
Retailer 5
-
$2,555 NZD
$1,440 USD
View
A
Retailer 6
-
$2,678 NZD
£1,188 GBP
View
A
Retailer 7
-
$2,706 NZD
$1,525 USD
View
A
Retailer 8
-
$2,748 NZD
HK$12,100 HKD
View
A
Retailer 9
-
$3,251 NZD
£1,443 GBP
View
A
Retailer 10
-
$3,389 NZD
$1,910 USD
View
Retailer 11
-
$3,492 NZD
£1,550 GBP
View
Price last confirmed 16 days ago
A
Retailer 12
-
$3,603 NZD
€1,934 EUR
View
A
Retailer 13
-
$4,207 NZD
$2,371 USD
View
A
Retailer 14
-
$4,551 NZD
$2,565 USD
View
A
Retailer 15
-
$5,211 NZD
ZAR 47,443 ZAR
View
B+
Retailer 16
-
$5,245 NZD
A$4,548 AUD
View
B+
Retailer 17
-
$5,302 NZD
$2,988 USD
View
B+
Retailer 18
-
$5,808 NZD
$3,274 USD
View
Retailer 19
-
$6,436 NZD
£2,856 GBP
View
Price last confirmed 7 days ago
B+
Retailer 20
-
$6,497 NZD
$3,662 USD
View
B+
Retailer 21
-
$7,159 NZD
$4,035 USD
View
B+
Retailer 22
-
$7,650 NZD
£3,395 GBP
View
B+
Retailer 23
-
$7,843 NZD
$4,420 USD
View
B+
Retailer 24
-
$7,936 NZD
SGD 6,044 SGD
View
B+
Retailer 25
-
$8,577 NZD
$4,834 USD
View
Retailer 26
-
$10,202 NZD
$5,750 USD
View
Price last confirmed 12 days ago
B
Retailer 27
-
$12,978 NZD
A$11,253 AUD
View
B
Retailer 28
-
$14,957 NZD
$8,430 USD
View
Most Expensive
B
Blue Nile
25580776 · Oct 31
$16,260 NZD
$9,164 USD
View
28 more retailers have this diamond
Prices start from $1,934 NZDSave up to $14,326 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.10ct Oval
$1,934 NZD