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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG817693421

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG817693421

Diamond specifications and retailer prices

From $3,501 NZD
$1,973 USD
As of October 30, 2026
Save $10,716 NZD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,217 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817693421 or 817693421. Listed at 20 retailers as of October 30, 2026, with prices from $3,501 to $14,217, a $10,716 spread on the same certified stone. Taylor and Hart lists it at $14,217. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693421
Dimensions10.30 × 7.28 × 4.78 mm
L/W Ratio1.41
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
10.30 mm7.28 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693421
Side View
Table 62.0%Crown 45.6°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 65.7%

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 30
Current: $5,587 NZD|Low: $3,501 NZD|High: $15,717 NZD|Avg: $8,282 NZD|-29.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 30, 2026
Retailer 3$3,501 NZD
Retailer 10$3,809 NZD
Retailer 5$3,919 NZD
Retailer 18$4,061 NZD
Retailer 14$4,356 NZD
Retailer 6$4,678 NZD
Retailer 17$5,584 NZD
Retailer 1$5,587 NZD
Retailer 11$5,720 NZD
Retailer 4$5,823 NZD
Retailer 16$6,359 NZD
Retailer 15$6,403 NZD
Retailer 19$6,670 NZD
Retailer 2$7,706 NZD
Retailer 12$9,432 NZD
Retailer 7$10,479 NZD
Retailer 13$11,661 NZD
Retailer 8$12,159 NZD
Retailer 9$13,570 NZD
Taylor and Hart$14,217 NZD

35 data points across 20 retailers

20 retailers$3,501 NZD to $14,217 NZD

A
Cheapest Retailer
-
$3,501 NZD
$1,973 USD
A
Retailer 2
-
$3,809 NZD
$2,147 USD
View
A
Retailer 3
-
$3,919 NZD
$2,209 USD
View
Final sale: no returns
A
Retailer 4
-
$4,061 NZD
$2,289 USD
View
A
Retailer 5
-
$4,356 NZD
$2,455 USD
View
A
Retailer 6
-
$4,678 NZD
HK$20,600 HKD
View
A
Retailer 7
-
$5,584 NZD
$3,147 USD
View
A
Retailer 8
-
$5,587 NZD
£2,479 GBP
View
Retailer 9
-
$5,720 NZD
$3,224 USD
View
Price last confirmed 18 days ago
A
Retailer 10
-
$5,823 NZD
$3,282 USD
View
A
Retailer 11
-
$6,359 NZD
$3,584 USD
View
Retailer 12
-
$6,403 NZD
€3,437 EUR
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$6,670 NZD
$3,759 USD
View
B+
Retailer 14
-
$7,706 NZD
£3,420 GBP
View
B+
Retailer 15
-
$9,432 NZD
ZAR 85,876 ZAR
View
B+
Retailer 16
-
$10,479 NZD
$5,906 USD
View
B
Retailer 17
-
$11,661 NZD
£5,175 GBP
View
B
Retailer 18
-
$12,159 NZD
$6,853 USD
View
B
Retailer 19
-
$13,570 NZD
SGD 10,335 SGD
View
Most Expensive
B
Taylor and Hart
1ZBGUXG · Oct 30
$14,217 NZD
$8,013 USD
View
19 more retailers have this diamond
Prices start from $3,501 NZDSave up to $10,716 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 Radiant
$3,501 NZD