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Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG694550809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG694550809

Diamond specifications and retailer prices

From $4,001 NZD
$2,255 USD
As of October 29, 2026
Save $10,511 NZD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $14,512 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.31ct lab-grown round diamond

This 4.31ct lab-grown round 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 LG694550809 or 694550809. Listed at 17 retailers as of October 29, 2026, with prices from $4,001 to $14,512, a $10,511 spread on the same certified stone. Taylor and Hart lists it at $14,512. 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

4.31
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694550809
Dimensions10.47 × 10.54 × 6.38 mm
L/W Ratio1.01
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
10.47 mm10.54 mm4.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694550809
Side View
Table 57.0%Crown 33.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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 29
Current: $4,445 NZD|Low: $3,224 NZD|High: $14,856 NZD|Avg: $7,831 NZD
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
Taylor and Hart
October 31, 2026
Retailer 12$3,224 NZD
Retailer 14$4,001 NZD
Retailer 6$4,147 NZD
Retailer 1$4,445 NZD
Retailer 5$4,468 NZD
Retailer 7$5,682 NZD
Retailer 10$5,983 NZD
Retailer 13$6,652 NZD
Retailer 4$8,746 NZD
Retailer 8$8,828 NZD
Retailer 11$8,899 NZD
Retailer 3$11,175 NZD
Retailer 2$11,817 NZD
Retailer 9$11,907 NZD
Taylor and Hart$14,512 NZD

42 data points across 15 retailers

17 retailers$4,001 NZD to $14,512 NZD

Retailer 1
-
$3,224 NZD
£1,431 GBP
Price last confirmed 14 days ago
Retailer 2
-
$3,431 NZD
$1,934 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$4,001 NZD
$2,255 USD
View
Final sale: no returns
Retailer 4
-
$4,147 NZD
$2,337 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$4,445 NZD
$2,505 USD
View
A
Retailer 6
-
$4,468 NZD
$2,518 USD
View
A
Retailer 7
-
$5,682 NZD
£2,522 GBP
View
Retailer 8
-
$5,701 NZD
$3,213 USD
View
Price last confirmed 24 days ago
A
Retailer 9
-
$5,983 NZD
$3,372 USD
View
A
Retailer 10
-
$6,652 NZD
$3,749 USD
View
A
Retailer 11
-
$8,746 NZD
$4,929 USD
View
A
Retailer 12
-
$8,828 NZD
ZAR 80,375 ZAR
View
Retailer 13
-
$8,899 NZD
A$7,716 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$11,175 NZD
$6,298 USD
View
B+
Retailer 15
-
$11,817 NZD
$6,660 USD
View
B+
Retailer 16
-
$11,907 NZD
£5,284 GBP
View
Most Expensive
B+
Taylor and Hart
O3GHO2N · Oct 30
$14,512 NZD
$8,179 USD
View
16 more retailers have this diamond
Prices start from $4,001 NZDSave up to $10,511 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
4.31ct Round
$4,001 NZD