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Round|Lab Grown|IGI

6.03ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG762544979

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762544979

Diamond specifications and retailer prices

From $20,057 NZD
$11,304 USD
As of October 30, 2026
Save $53,315 NZD (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $73,372 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 6.03ct lab-grown round diamond

This 6.03ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762544979 or 762544979. Listed at 12 retailers as of October 30, 2026, with prices from $20,057 to $73,372, a $53,315 spread on the same certified stone. Taylor and Hart lists it at $73,372. 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

6.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544979
Dimensions11.65 × 11.72 × 7.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
11.65 mm11.72 mm6.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544979
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.3%

Caratlytics Score

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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: $42,948 NZD|Low: $19,366 NZD|High: $73,372 NZD|Avg: $41,216 NZD|-16.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 8$19,366 NZD
Retailer 3$20,057 NZD
Retailer 9$24,569 NZD
Retailer 11$25,197 NZD
Retailer 5$29,593 NZD
Retailer 7$38,323 NZD
Retailer 2$42,125 NZD
Retailer 1$42,948 NZD
Retailer 12$43,169 NZD
Retailer 6$49,195 NZD
Retailer 4$52,980 NZD
Retailer 10$63,634 NZD
Taylor and Hart$73,372 NZD

42 data points across 13 retailers

12 retailers$20,057 NZD to $73,372 NZD

Retailer 1
-
$19,366 NZD
$10,915 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$20,057 NZD
$11,304 USD
View
A
Retailer 3
-
$24,569 NZD
$13,847 USD
View
A
Retailer 4
-
$25,197 NZD
$14,201 USD
View
A
Retailer 5
-
$29,593 NZD
£13,133 GBP
View
B+
Retailer 6
-
$38,323 NZD
£17,007 GBP
View
B+
Retailer 7
-
$42,125 NZD
$23,742 USD
View
B+
Retailer 8
-
$42,948 NZD
€23,053 EUR
View
B+
Retailer 9
-
$43,169 NZD
$24,330 USD
View
B+
Retailer 10
-
$49,195 NZD
ZAR 447,919 ZAR
View
Retailer 11
-
$63,634 NZD
A$55,176 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Taylor and Hart
F0PZYEE · Oct 30
$73,372 NZD
$41,353 USD
View
11 more retailers have this diamond
Prices start from $20,057 NZDSave up to $53,315 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
6.03ct Round
$20,057 NZD