CaratHunter
Plans
Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG817693378

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817693378

Diamond specifications and retailer prices

From $1,840 NZD
$1,037 USD
As of October 29, 2026
Save $8,682 NZD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,522 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817693378 or 817693378. Listed at 21 retailers as of October 29, 2026, with prices from $1,840 to $10,522, a $8,682 spread on the same certified stone. Brilliant Earth lists it at $10,522. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693378
Dimensions8.05 × 8.11 × 4.87 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.05 mm8.11 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693378
Side View
Table 57.0%Crown 33°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.3%

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: $10,522 NZD|Low: $1,765 NZD|High: $11,409 NZD|Avg: $4,391 NZD|-7.6%
Brilliant Earth
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
October 30, 2026
Retailer 14$1,840 NZD
Retailer 5$2,001 NZD
Retailer 7$2,060 NZD
Retailer 15$2,134 NZD
Retailer 13$2,440 NZD
Retailer 2$3,078 NZD
Retailer 3$3,405 NZD
Retailer 9$3,409 NZD
Retailer 8$3,923 NZD
Retailer 6$4,001 NZD
Retailer 12$6,228 NZD
Retailer 11$6,304 NZD
Retailer 4$7,161 NZD
Retailer 10$7,249 NZD
Brilliant Earth$10,522 NZD

39 data points across 15 retailers

21 retailers$1,840 NZD to $10,522 NZD

A
Cheapest Retailer
-
$1,840 NZD
$1,037 USD
A
Retailer 2
-
$2,001 NZD
$1,128 USD
View
A
Retailer 3
-
$2,060 NZD
$1,161 USD
View
Final sale: no returns
Retailer 4
-
$2,134 NZD
$1,203 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$2,134 NZD
$1,203 USD
View
B+
Retailer 6
-
$2,440 NZD
$1,375 USD
View
B+
Retailer 7
-
$2,476 NZD
HK$10,900 HKD
View
B+
Retailer 8
-
$3,029 NZD
$1,707 USD
View
B+
Retailer 9
-
$3,078 NZD
£1,366 GBP
View
B+
Retailer 10
-
$3,405 NZD
$1,919 USD
View
B+
Retailer 11
-
$3,409 NZD
€1,830 EUR
View
B+
Retailer 12
-
$3,923 NZD
ZAR 35,722 ZAR
View
B+
Retailer 13
-
$4,001 NZD
$2,255 USD
View
B
Retailer 14
-
$4,461 NZD
$2,514 USD
View
B
Retailer 15
-
$6,228 NZD
$3,510 USD
View
B
Retailer 16
-
$6,304 NZD
$3,553 USD
View
B
Retailer 17
-
$6,857 NZD
$3,865 USD
View
B
Retailer 18
-
$7,161 NZD
SGD 5,454 SGD
View
B
Retailer 19
-
$7,249 NZD
£3,217 GBP
View
B
Retailer 20
-
$7,448 NZD
$4,198 USD
View
Most Expensive
B
Brilliant Earth
20860275A · Oct 30
$10,522 NZD
$5,930 USD
View
20 more retailers have this diamond
Prices start from $1,840 NZDSave up to $8,682 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
1.91ct Round
$1,840 NZD