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Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG808630209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG808630209

Diamond specifications and retailer prices

From $599 NZD
$337 USD
As of November 1, 2026
Save $5,835 NZD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,434 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG808630209 or 808630209. Listed at 24 retailers as of October 31, 2026, with prices from $599 to $6,434, a $5,835 spread on the same certified stone. Brilliant Earth lists it at $6,434. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808630209
Dimensions7.45 × 7.48 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.48 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808630209
Side View
Table 60.0%Crown 33°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 59.8%

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: Nov 1
Current: $6,434 NZD|Low: $599 NZD|High: $6,434 NZD|Avg: $2,033 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 17
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Retailer 19
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Retailer 22
November 3, 2026
Retailer 21$599 NZD
Retailer 7$695 NZD
Retailer 3$743 NZD
Retailer 10$743 NZD
Retailer 11$842 NZD
Retailer 22$995 NZD
Retailer 20$1,013 NZD
Retailer 13$1,172 NZD
Retailer 4$1,198 NZD
Retailer 16$1,282 NZD
Retailer 2$1,330 NZD
Retailer 12$1,541 NZD
Retailer 18$1,726 NZD
Retailer 19$1,733 NZD
Retailer 5$2,390 NZD
Retailer 6$2,408 NZD
Retailer 9$2,467 NZD
Retailer 15$2,815 NZD
Retailer 17$2,979 NZD
Retailer 8$3,203 NZD
Retailer 14$3,484 NZD
Brilliant Earth$6,434 NZD

32 data points across 22 retailers

24 retailers$599 NZD to $6,434 NZD

A
Cheapest Retailer
-
$599 NZD
$337 USD
A
Retailer 2
-
$695 NZD
$391 USD
View
A
Retailer 3
-
$743 NZD
$418 USD
View
Retailer 4
-
$743 NZD
$418 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$842 NZD
HK$3,700 HKD
View
A
Retailer 6
-
$995 NZD
$560 USD
View
A
Retailer 7
-
$1,013 NZD
$570 USD
View
A
Retailer 8
-
$1,172 NZD
€628 EUR
View
A
Retailer 9
-
$1,198 NZD
$674 USD
View
A
Retailer 10
-
$1,282 NZD
ZAR 11,654 ZAR
View
A
Retailer 11
-
$1,310 NZD
€702 EUR
View
A
Retailer 12
-
$1,330 NZD
£589 GBP
View
B+
Retailer 13
-
$1,541 NZD
$867 USD
View
B+
Retailer 14
-
$1,726 NZD
$971 USD
View
B+
Retailer 15
-
$1,733 NZD
A$1,500 AUD
View
B+
Retailer 16
-
$2,390 NZD
$1,345 USD
View
B+
Retailer 17
-
$2,408 NZD
SGD 1,831 SGD
View
B
Retailer 18
-
$2,467 NZD
$1,388 USD
View
B
Retailer 19
-
$2,671 NZD
$1,503 USD
View
B
Retailer 20
-
$2,815 NZD
$1,584 USD
View
B+
Retailer 21
-
$2,979 NZD
£1,320 GBP
View
B
Retailer 22
-
$3,203 NZD
$1,802 USD
View
Retailer 23
-
$3,484 NZD
$1,960 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20295849A · Oct 31
$6,434 NZD
$3,620 USD
View
23 more retailers have this diamond
Prices start from $599 NZDSave up to $5,835 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
1.51ct Round
$599 NZD