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Round|Lab Grown|IGI

1.71ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG770636520

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636520

Diamond specifications and retailer prices

From $531 NZD
$299 USD
As of October 29, 2026
Save $2,159 NZD (80%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,954 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770636520 or 770636520. Listed at 27 retailers as of October 29, 2026, with a 407% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636520
Dimensions7.60 × 7.66 × 4.73 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
7.60 mm7.66 mm1.71 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636520
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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: $2,954 NZD|Low: $509 NZD|High: $2,990 NZD|Avg: $1,375 NZD|-1.2%
Rare Carat
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
October 31, 2026
Retailer 8$531 NZD
Retailer 5$616 NZD
Retailer 3$658 NZD
Retailer 6$658 NZD
Retailer 2$887 NZD
Retailer 13$918 NZD
Retailer 15$1,075 NZD
Retailer 17$1,131 NZD
Retailer 10$1,165 NZD
Retailer 16$1,186 NZD
Retailer 4$1,544 NZD
Retailer 11$1,593 NZD
Retailer 7$2,115 NZD
Retailer 9$2,312 NZD
Retailer 14$2,652 NZD
Retailer 12$2,689 NZD
Rare Carat$2,954 NZD

31 data points across 17 retailers

27 retailers$531 NZD to $2,689 NZD

A
Cheapest Retailer
-
$531 NZD
$299 USD
A
Retailer 2
-
$594 NZD
$335 USD
View
Final sale: no returns
A
Retailer 3
-
$616 NZD
$347 USD
View
A
Retailer 4
-
$658 NZD
$371 USD
View
Retailer 5
-
$658 NZD
$371 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$658 NZD
$371 USD
View
A
Retailer 7
-
$727 NZD
HK$3,200 HKD
View
B+
Retailer 8
-
$887 NZD
$500 USD
View
A
Retailer 9
-
$887 NZD
$500 USD
View
A
Retailer 10
-
$918 NZD
£408 GBP
View
A
Retailer 11
-
$1,075 NZD
€577 EUR
View
A
Retailer 12
-
$1,131 NZD
ZAR 10,295 ZAR
View
A
Retailer 13
-
$1,132 NZD
$638 USD
View
B+
Retailer 14
-
$1,165 NZD
£517 GBP
View
B+
Retailer 15
-
$1,186 NZD
A$1,028 AUD
View
B+
Retailer 16
-
$1,373 NZD
$774 USD
View
B+
Retailer 17
-
$1,544 NZD
A$1,339 AUD
View
B+
Retailer 18
-
$1,593 NZD
$898 USD
View
B
Retailer 19
-
$2,115 NZD
$1,192 USD
View
B
Retailer 20
-
$2,115 NZD
SGD 1,611 SGD
View
B
Retailer 21
-
$2,200 NZD
$1,240 USD
View
B
Retailer 22
-
$2,312 NZD
$1,303 USD
View
B
Retailer 23
-
$2,530 NZD
$1,426 USD
View
B
Retailer 24
-
$2,652 NZD
£1,177 GBP
View
B
Retailer 25
-
$2,679 NZD
$1,510 USD
View
B
Retailer 26
-
$2,689 NZD
A$2,332 AUD
View
Most Expensive
Rare Carat
225206365VB770 · Oct 21
$2,954 NZD
$1,665 USD
View
Price last confirmed 9 days ago
26 more retailers have this diamond
Prices start from $531 NZDSave up to $2,159 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
1.71ct Round
$531 NZD